People hear the term “pinched nerve”, as in “pinched nerve in the neck”, but often, don’t know what it really means. Most nerves don’t actually get “pinched”, as you would do with your thumb and forefinger on a garden hose to increase pressure by direct physical contact with the house. Most nerves that are called “pinched nerves” are getting abnormal or excessive amounts of pressure, usually partial pressures. There is a gradient in the opening for the nerve called a “pressure gradient”, and when some object such as disc material, swollen tissues, etc., start to taking up more space in the hole between the bones, the “intervertebral foramen”, there can be a relative pressure increase. This can also happen if a disc starts to taking up space in the spinal canal. This situation, in which an opening through which a nerve courses, has a decrease in its size or patency, it is called “stenosis”. Increased pressure on the nerve can cause it to function incorrectly, and depending on whether it is a motor nerve, sensory nerve, or mixed, once there is additional pressure, one can have negative outcomes. A motor nerve that has too much pressure on it can result in decreased strength of an extremity for example, or, if there is sensory function to the nerve, one might feel numbness, or a decreased ability to feel certain stimuli.
Posts Tagged nerve
Very boring, but pause it at 10 seconds and you can see a disc in my neck pushing against my spine causing me great discomfort and continous pain.
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Can you explain specifically the difference between diabetic nerve pain and fibromyalgia pain?
Dec 18
Medicine is connected to my fibromyalgia.